<template>
  <div>
    <CityHeader></CityHeader>
    <CitySearch :cities="cities"></CitySearch>
    <CityList :hotCities="hotCities" :cities="cities" :letter="letter"></CityList>
    <CityAlphabet :cities="cities" @change="handleLetterChange"></CityAlphabet>
  </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
export default {
  name:'City',
  components:{
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet

  },
  mounted(){
    this.getCityInfo()
  },
  data(){
    return{
      hotCities:[],
      cities:{},
      letter:''
    }
  },
  methods:{
    getCityInfo(){
      axios.get('/api/city.json').then(
        this.handleGetCityInfoSucc
      )
    },
    handleGetCityInfoSucc(res){
      res = res.data;
      if(res.ret && res.data){
        const data = res.data;
        this.hotCities = data.hotCities;
        this.cities = data.cities;
      }
    },
    handleLetterChange(letter){
      this.letter=letter
    }
  }
}
</script>

<style lang="scss" scoped>

</style>